EP3600879A2 - Brett und verfahren zur herstellung eines bretts - Google Patents

Brett und verfahren zur herstellung eines bretts

Info

Publication number
EP3600879A2
EP3600879A2 EP18723592.4A EP18723592A EP3600879A2 EP 3600879 A2 EP3600879 A2 EP 3600879A2 EP 18723592 A EP18723592 A EP 18723592A EP 3600879 A2 EP3600879 A2 EP 3600879A2
Authority
EP
European Patent Office
Prior art keywords
board
material layer
basic material
cement
panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP18723592.4A
Other languages
English (en)
French (fr)
Inventor
Benjamin Clement
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilin BV
Original Assignee
Unilin BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unilin BV filed Critical Unilin BV
Priority claimed from PCT/IB2018/051903 external-priority patent/WO2018172959A2/en
Publication of EP3600879A2 publication Critical patent/EP3600879A2/de
Pending legal-status Critical Current

Links

Classifications

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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B13/08—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the layer
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    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B13/12—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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    • B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
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    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/283—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysiloxanes
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    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/04—Layered products comprising a layer of paper or cardboard next to a particulate layer
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    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/144—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers using layers with different mechanical or chemical conditions or properties, e.g. layers with different thermal shrinkage, layers under tension during bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/06—Embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/30—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being formed of particles, e.g. chips, granules, powder
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    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/05—Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection
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    • B32B7/04—Interconnection of layers
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
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    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • E—FIXED CONSTRUCTIONS
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    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
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    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B2262/06—Vegetal fibres
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    • B32B2262/08—Animal fibres, e.g. hair, wool, silk
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    • B32B2307/00—Properties of the layers or laminate
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2307/00—Properties of the layers or laminate
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    • B32B2307/00—Properties of the layers or laminate
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2307/00—Properties of the layers or laminate
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2471/00—Floor coverings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2002/001—Mechanical features of panels
    • E04C2002/004—Panels with profiled edges, e.g. stepped, serrated
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/045—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • This invention relates to a board and a method of manufacturing such board.
  • the invention relates to a board which is intended for forming a wall, floor or ceiling surface.
  • this relates to a panel in the form of a wall panel and/or floor panel and/or ceiling panel. More particularly, it relates to such board or panel which is of the type that is intended at least for being applied in interior applications, in other words, for forming a floor covering, wall covering or ceiling covering.
  • the invention aims at a board which, on the one hand, offers a good resistance against fire and, on the other hand, is advantageous in respect to production features and production possibilities, as well as in respect to processing.
  • the invention relates to a board as described in the appended claims.
  • several independent aspects will be covered, which are defined in the form of the appended independent claims.
  • the invention relates to boards as defined in the following numbered paragraphs:
  • the directly pressed laminate layer is a layer which has been pressed with a pressure of more than 30 kg/cm 2 and still better of more than 35 kg/cm 2 , and that the compressive strength of the board is higher than that value.
  • the basic material layer contains reinforcement material, such as reinforcement fibers, and preferably consists of a gypsum fiber board or fiber cement board, and more particularly of a highly compacted gypsum fiber board or highly compacted fiber cement board.
  • the fibers consist of synthetic fibers in general and/or natural fibers in general and/or wood fibers and/or paper fibers and/or carbon fibers and/or glass fibers.
  • the paper or cardboard layer has a thickness smaller than or equal to 0.18 millimeters and still better smaller than or equal to 0.1 millimeter.
  • - Board according to any of the preceding numbered paragraphs, characterized in that the substrate is provided with an adherence-increasing layer, which improves the adherence of the resin-based covering.
  • - Board according to paragraph 18 characterized in that at least one of the material sheets, and preferably all of them, consists, consist, respectively, of paper.
  • the resin-based material layer is at least formed of one or more resin-impregnated sheets, more particularly paper sheets, which are pressed on the substrate.
  • the resin-based material layer is at least composed of one of the following layers, or comprises a combination of any two of the following layers or all three of the following layers:
  • - Board according to paragraph 22 characterized in that the pattern is a print directly provided on the board, for example, realized by means of a digital printer, for example, inkjet printer.
  • thermo-hardening resin more particularly a melamine resin.
  • 27.- Board characterized in that it consists at least of a substrate which is at least formed of a gypsum-based and/or cement-based basic material layer with a resin- based covering provided on at least one side of the substrate, in the form of a laminate layer directly pressed onto the substrate, also named "DPL" (Direct Pressure Laminate), wherein the board, on at least two opposite edges, is provided with coupling means allowing to couple two of such boards to each other.
  • DPL Direct Pressure Laminate
  • the coupling means are configured such that they, in the coupled condition, provide for a locking according to a direction in the plane of the coupled panels and perpendicular to the coupled edges, as well as in a direction perpendicular to the plane of the coupled boards.
  • the coupling means are of the type which allows joining by means of turning and preferably comprises a groove with a further-extending rearmost lip, which is provided with a locking element (8).
  • - Board characterized in that it consists at least of a substrate which is formed at least of a gypsum-based and/or cement-based basic material layer; that the basic material layer is provided with a reinforcement; that the board, on at least two opposite edges, is provided with coupling means which allow coupling two of such boards to each other, which are configured such that they, in the coupled condition, provide for a locking according to a direction in the plane of the coupled panels and perpendicular to the coupled edges, as well as in a direction perpendicular to the plane of the coupled boards; that the coupling means are made substantially or entirely in one piece in the basic material layer; and that the aforementioned reinforcement is present up into the coupling means, wherein the coupling means preferably are of the kind already described.
  • - Board characterized in that it consists at least of a substrate which is formed at least of a gypsum-based and/or cement-based basic material layer; that the board, on at least two opposite edges, is provided with coupling means which allow coupling two of such boards to each other, which are configured such that they, in the coupled condition, provide for a locking according to a direction in the plane of the coupled panels and perpendicular to the coupled edges, as well as in a direction perpendicular to the plane of the coupled boards; that the coupling means are realized substantially or entirely in the board, and more particularly in the basic material layer; and that the board comprises a usage side which is untreated or is provided with a semi-finished covering.
  • 35.- Board characterized in that it consists at least of a substrate which is formed at least of a gypsum-based and/or cement-based basic material layer; that the board, on at least two opposite edges, is provided with coupling means which allow coupling two of such boards to each other, which are configured such that they, in the coupled condition, provide for a locking according to a direction in the plane of the coupled boards or panels and perpendicular to the coupled edges, as well as in a direction perpendicular to the plane of the coupled boards; that the coupling means are realized substantially in one piece or entirely in one piece in the basic material layer; and that the board is oblong with a length of at least 2.4 meters, wherein the aforementioned edges which comprise the aforementioned coupling means, are formed by the longitudinal edges, wherein the coupling means preferably are of the kind and form already described earlier.
  • - Board characterized in that it consists at least of a substrate which is formed at least of a gypsum-based and/or cement-based basic material layer; that the board, on at least two opposite edges, is provided with coupling means which allow coupling two of such boards to each other, which are configured such that they, in the coupled condition, provide for a locking according to a direction in the plane of the coupled boards and perpendicular to the coupled edges, as well as in a direction perpendicular to the plane of the coupled boards; and that the coupling means are provided with a means or element, preferably in the form of a material layer and/or material strip, which provides for a temperature- activatable sealing.
  • - Board characterized in that it consists at least of a substrate which is formed at least of a gypsum-based and/or cement-based basic material layer; that the board, on at least two opposite edges, is provided with coupling means which allow coupling two of such boards to each other, which are configured such that they, in the coupled condition, provide for a locking according to a direction in the plane of the coupled boards and perpendicular to the coupled edges, as well as in a direction perpendicular to the plane of the coupled boards; that the coupling means are realized substantially in one piece or entirely in one piece in the board, and more particularly in the basic material layer; and that in the proximity of the front side of the board, at the corner edge between the front side and at least one, and preferably both of said two edges, a chamfer is present in the form of a bevel or rounding.
  • - Board characterized in that it consists at least of a substrate which is formed at least of a gypsum-based and/or cement-based basic material layer; that the board, on at least two opposite edges, is provided with coupling means which allow coupling two of such boards to each other, which are configured such that they, in the coupled condition, provide at least for a locking in a direction perpendicular to the plane of the coupled boards, preferably by means of a tongue and groove; that the coupling means are realized substantially or entirely in one piece in the basic material layer; and that the groove is bordered by a foremost lip and a rearmost lip, wherein the rearmost lip, distally seen, extends farther than the foremost lip, and wherein the rearmost lip is nailable and/or screwable and/or comprises appliances for facilitating the nailing and/or screwing, and/or is configured such that the board can be attached with the lower lip by means of a clip against an underlying surface or underlying structure.
  • the cement-based and/or gypsum-based basic material layer is formed of a substance bonding by means of a liquid, more particularly by hardening a gypsum-based and/or cement-based mass.
  • a first problem is that these boards absorb moisture, water, respectively, due to the porosity of the board and due to capillary effect.
  • cement-based boards in their normal quality are very alkaline. They comprise many salts and, when taking in moisture and subsequently drying out, there is a migration of alkaline water and salts.
  • the cement-based substrate of the board is coated at the rear and upper sides with a lacquer or paint which is not 100% water-impervious, and there is natural ventilation, such that no issue will occur.
  • a second problem is that standard cement-based boards have a relatively small internal bond.
  • a standard cement-based board actually is systematically composed of various thin layers, which is a feature of the Hatschek production process mostly applied therewith. This results in a relatively small internal bond, such that it is not evident to consider such standard cement-based board as a floor panel, wall panel or ceiling panel, at least not when edges or profiles have to be provided thereon by a machining treatment. In fact, the small bond may lead to chipping at the edges.
  • - Board more particularly a panel in the form of a floor panel and/or wall panel and/or ceiling panel, preferably of the type which is at least intended for interior application, wherein this panel comprises a basic material layer (or substrate) which is cement-based, which basic material layer as such can comprise one or more layers of cement-based basic material, wherein this panel preferably comprises a top layer, which as such can consist of one or more layers and gives a decorative appearance to the panel, and that the panel is provided with means which restrict moisture intake in the basic material layer, and/or with means which improve the internal bond in the basic material layer.
  • this panel comprises a basic material layer (or substrate) which is cement-based, which basic material layer as such can comprise one or more layers of cement-based basic material, wherein this panel preferably comprises a top layer, which as such can consist of one or more layers and gives a decorative appearance to the panel, and that the panel is provided with means which restrict moisture intake in the basic material layer, and/or with means which improve the internal bond in the basic material layer.
  • the means are applied at least in the proximity of the front side (or thus upper side in the case of a floor panel) and/or rear side (or thus underside in the case of a floor panel) of the basic material layer, more particularly at the respective surface of the basic material layer and/or directly thereunder;
  • the means are applied almost exclusively or exclusively in the proximity of the front side (or thus upper side in the case of a floor panel) and/or rear side (or thus underside in the case of a floor panel) of the basic material layer, more particularly at the respective surface of the basic material layer and/or directly thereunder, whereas the respective means are not or almost not present in the middle of the basic material layer;
  • the means are employed over the entire thickness of the basic material layer.
  • - Board more particularly a panel in the form of a floor panel and/or wall panel and/or ceiling panel, preferably of the type which is at least intended for interior application, wherein this panel comprises a basic material layer (or substrate) which is cement-based, which basic material layer as such can comprise one or more layers of cement-based basic material, wherein this panel preferably comprises a top layer, which as such can consist of one or more layers and gives a decorative appearance to the panel, and that the panel comprises means (by which also provisions can be understood) which result in an improved adherence of the top layer and/or provide a reinforcement and/or lesser moisture intake, and wherein this panel in respect to these means preferably also meets paragraphs 44 and 45, characterized in that the panel shows one or more of the following characteristics (wherein in the case of a combination any not contradictory combination of two or more characteristics has to be considered a possibility according to the invention):
  • the aforementioned means are of such a nature that they, at least on or next to a surface of the basic material layer, and preferably at least at the side where a top layer or backing layer is to be provided, seen in the thickness of the panel, provide for a zone which is alkaline-resistant and/or the alkaline resistance of which is improved;
  • the aforementioned means are of such a nature that they, at least on or next to a surface of the basic material layer, and preferably at least at the side where a top layer or backing layer is to be provided, a reaction with water from the atmosphere and/or from the basic material layer takes place, (to this aim, for example, a "silres" product from the "Wacker” company can be applied, for example, silres BS1701 , which can be applied in pure form and then reacts with the water;
  • the aforementioned means make use of a means which enhances hydrophobicity, which means is incorporated into the cement-based basic material layer, preferably at least on or next to the surface thereof;
  • the aforementioned means make use of a means which forms a filler and/or matrix of material which is water-impervious and/or water-repellent; the aforementioned means provide for the application of a silane- and/or siloxane-containing liquid, more particularly emulsion; (after application of the product, preferably as a coating, a hydrolysis is starting which breaks the emulsion, alcohol is released and a silicone matrix is formed which is water-repellent; herein, everything is alkaline-resistant); to this aim, for example, a product of the "silres" kind of "Wacker” can be applied, for example, in the case of silres BS3003 this can be applied with a 1 :5 to 1 : 15 dilution in water and 0.1-3% of active material (preferably in the order of magnitude of 1 %) to the total binder in the basic material layer; the means stated in the preceding 5 paragraphs is applied in that it is introduced into the substance, and more particularly wet matter (s
  • the means stated in the preceding paragraph is applied via a coating technique, preferably by means of an excess of product, and/or preferably by means of a roller and more particularly by a twice wet on wet coating;
  • the aforementioned means consist in adding so-called metal soaps (for example, Barlocher products); for example, to this aim use can be made of aluminum/magnesium/calcium/zinc stearate and/or zinc laurate long chain fatty acid tail + metal); preferably, this is added into the wet material mass (slurry paste, for example, at 0.1-1 % of dry weight; the addition reduces capillary effect and moisture intake in the board);
  • the aforementioned means consist in adding, an additive, respectively, of hydrophobic powder, for example, on the basis of silane or silicone resin (for example, DOW SHP50/60); preferably, it is added into the slurry paste, for example, at 0.1-2%, and preferably 0.25-0.5% of dry weight; this is more performant than stearates and silane/silicone emulsions;
  • the aforementioned means consist in adding, an additive, respectively, of silicates with hydrophobic features, for example, Li-silicates; the effect thereof is double.
  • CaOH is reacted away towards CaC03 and in this manner the board is reinforced and made less sensitive to aging.
  • a water-repellent effect is obtained;
  • polyurethane is applied, preferably water-based polyurethane, and more particular of the type polyester or polyether, and more particularly polycaprolactone; wherein this polyurethane preferably is applied together with a crosslinker as an adhesion promoter, more particularly a carbodiimide crosslinker; this is particularly useful with a DPL top layer, as such crosslinker will show its advantages best as an adhesion promoter between melamine and fiber cement board;
  • the aforementioned means consist in the use of a crosslinker, preferably carbodiimide, for forming an improved connection between a fiber cement board and a top layer, more particularly melamine-based top layer;
  • a crosslinker preferably carbodiimide
  • the aforementioned means provide for one of the following possibilities, or a combination thereof:
  • thermoplastic-based substance dispersion
  • the exothermal reaction of the cement renders the thermoplastic liquid, such that it can penetrate into the entire board, or anyhow at least at the surface thereof, where, for example, the top layer has to be provided;
  • acrylic and metacrylic (co)polymers acrylic and metacrylic (co)polymers, PVA or EVA polymers, styrene/acrylic acid ester copolymers, silane or siloxane of silicone.
  • a top layer provided on the basic material layer is present, which as such can consist of one or more layers.
  • the panel thicknesses of the finished products can be at choice, however, in the case of floor panels the overall thickness preferably is less than 8 mm and still better less than 6 mm, and possibly even less than 4 mm.
  • cement- based substance according to the invention may also be replaced by other mineral- based substances, such as, for example, calcium oxide board.
  • other mineral- based substances such as, for example, calcium oxide board.
  • the invention also relates to a method of manufacturing such board, which method can be derived from the composition of the board described in the claims.
  • Water-based PVDC lacquer for example, Haloflex 202;
  • UV-curable so-called clearcoat lacquers as alkali-resistant binder
  • primers acrylic and methacrylic (co)polymers, PVA or EVA polymers, styrene/acrylic acid ester copolymers;
  • the primer comprises hydrophobic additives, for example, so-called metal soaps, fluorinated additives, silanes, siloxanes and the like;
  • the primer comprises fillers, for example, aluminosilicates, silicates, alkaline- earth metal carbonates, calcium carbonates;
  • the primer comprises pigments, more particularly alkali-resistant pigments or metal oxides;
  • the primer comprises crosslinkers, for example, isocyanates, silanes and the like, which effect an extra crosslinking with the mineral board;
  • UV primer
  • UV acrylic resin preferably with a functional isocyanate group
  • isocyanate will chemically react with OH, NH2 and other functional groups in the cement fiberboard.
  • UV sealer
  • protective anti-abrasive lacquers which contain, for example, aluminum oxide. All lacquers preferably are alkaline-resistant, as after installation and during cleaning, there is always a small risk that water, which contains salts of the fiber cement board, can penetrate through the lacquer layers.
  • the invention as far as this relates to cement-based boards, more particular fiber cement boards, also relates to boards, more particular panels, which meet well- defined specifications, whereby they are more suitable for interior applications, such deviating from the specifications which commonly are applied for facade boards.
  • the boards, panels, respectively then preferably meet one or more of the specifications stated in the following table, wherein combinations at choice are possible.
  • a comparison is made between the specifications of common fiber cement boards, which usually are applied for exterior facades, and fiber cement boards, of which the specifications now according to the invention are chosen such that they can be usefully applied as floor panels, in particular for interior applications.
  • the boards are also suitable for wall and ceiling applications, considering that those mostly have less strict requirements than floor panels.
  • Not coated Not coated board Coated board composition as a according to the according to the facade board invention for floor invention for floor (prior art) application application
  • H20 5-10% ⁇ 5%, preferably ⁇ 5%, preferably absorption ⁇ 3%, and still ⁇ 3%, and still better ⁇ 1.5% better ⁇ 1.5% max. H20 +13% and can go ⁇ 1 1 %, preferably ⁇ 6%, preferably absorption to +25% ⁇ 10%, and still ⁇ 3%, and still better ⁇ 8% better ⁇ 1.5%
  • Delta thickness 0.25-0.6mm ⁇ 0.2mm and ⁇ 0.2mm and tolerance for panel preferably preferably of 6mm ⁇ 0.1 mm ⁇ 0.1 mm
  • the boards according to the invention indeed are subjected to a grinding treatment before providing them with a coating.
  • a grinding treatment before providing them with a coating.
  • the basic material layer 3 is a gypsum or fiber cement board.
  • a DPL layer 4 is pressed, which as such comprises one or more resin-impregnated sheets.
  • a counter layer 5 is provided. Compressing usually is performed at an increased temperature.
  • the coupling means 6 preferably are of the type which locks in two directions D1 and D2, as indicated. Preferably, they are also of the type which allows joining by means of a turning movement R. As represented, herein preferably use is made of a longer rearmost lip 7, which is provided with a locking element 8.
  • a chamfer 9 can be provided at the front corner edge.
  • a preferably strip-shaped element 10, preferably provided at the locking element 8, can result in a pretension and/or result in a seal and/or result in a heat-activatable fire-retarding joint.
  • a recess 11 offers space for the head of a nail or the like, such that the whole is nailable or screwable.
  • the present invention is not limited to the example represented in the figure.
  • the most intended applications of the invention are floor panels and wall panels.
  • wall panels this preferably are room-high panels which are provided with coupling parts at their edges, which edges are to be mounted vertically, said coupling parts being, for example, of the type as represented in the accompanying figure.
  • Wth floor panels this preferably relates to smaller panels, which are provided at their four edges with coupling parts allowing a mutual coupling and locking, in order to be able to form, as usual, a so-called floating floor covering.
  • Wall panels of fiber cement have the great advantage to be fire-resistant, whereas floor panels of this material will hardly expand as a result of temperature changes and the like.
  • the invention also relates to the obtained substrates as such, without these being already finished further by means of top layers or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Finishing Walls (AREA)
  • Laminated Bodies (AREA)
  • Panels For Use In Building Construction (AREA)
EP18723592.4A 2017-03-21 2018-03-21 Brett und verfahren zur herstellung eines bretts Pending EP3600879A2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE201705181 2017-03-21
US201762564719P 2017-09-28 2017-09-28
PCT/IB2018/051903 WO2018172959A2 (en) 2017-03-21 2018-03-21 Board and method for manufacturing a board

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EP3600879A2 true EP3600879A2 (de) 2020-02-05

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US (1) US20200157812A1 (de)
EP (1) EP3600879A2 (de)
JP (1) JP2020514134A (de)
KR (1) KR20190132384A (de)
CN (1) CN110418709A (de)
AU (1) AU2018238420A1 (de)
BR (1) BR112019016630A2 (de)
CA (1) CA3051808A1 (de)
CL (1) CL2019002644A1 (de)
MA (1) MA49007A (de)
MX (1) MX2019011082A (de)
UA (1) UA125994C2 (de)

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Publication number Priority date Publication date Assignee Title
EP3999696A4 (de) * 2019-07-17 2023-11-15 Certain Teed Gypsum, Inc. Ineinandergreifende gipsbauflächenprodukte, verfahren zu ihrer herstellung und ineinandergreifende gipsbauflächensysteme
US11851874B2 (en) 2019-07-17 2023-12-26 Certainteed Gypsum, Inc. Interlocking gypsum building surface products, methods of manufacture, and interlocking gypsum building surface systems
US12018493B2 (en) 2020-08-27 2024-06-25 Certainteed Gypsum, Inc. Building surface product including attachment clip, building surface system, and method of manufacture
RU209392U1 (ru) * 2021-06-25 2022-03-16 Александр Леонидович Компанион Самонесущая панель
WO2023156455A1 (en) 2022-02-15 2023-08-24 Cembrit Holding A/S Fibre Cement Plate and A Wall Structure having the Fibre Cement Plates

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Publication number Priority date Publication date Assignee Title
JPH10193503A (ja) * 1997-01-17 1998-07-28 Toppan Printing Co Ltd 石膏ボード
AT411374B (de) * 2000-06-06 2003-12-29 Kaindl M Belag, verkleidung od.dgl., paneele für dessen bildung sowie verfahren und gerät zur herstellung der paneele
WO2002033191A1 (en) * 2000-10-17 2002-04-25 National Gypsum Properties, Llc Cementitious panel with basalt fiber reinforced major surface(s)
US20080099133A1 (en) * 2006-11-01 2008-05-01 United States Gypsum Company Panel smoothing process and apparatus for forming a smooth continuous surface on fiber-reinforced structural cement panels
CN101532331A (zh) * 2007-07-30 2009-09-16 诺瓦利斯股份有限公司 具有互锁设计的地板覆盖物
CN201106259Y (zh) * 2007-10-18 2008-08-27 朱春生 洁净装饰板
CL2009000373A1 (es) * 2008-03-03 2009-10-30 United States Gypsum Co Metodo para hacer un panel resistente a explosivos, con las etapas de preparar una mezcla cementicia acuosa de cemento, rellenos inorganicos y puzolanico, agente autonivelante de policarboxilato, y formar la mezcla en un panel con refuerzo de fibra, luego curar, pulir, cortar y curar el panel.
CN101736873A (zh) * 2008-11-20 2010-06-16 杨建文 一种防火板及其制造工艺
US8906156B2 (en) * 2009-12-31 2014-12-09 Calera Corporation Cement and concrete with reinforced material
PL2743094T3 (pl) * 2012-12-12 2016-01-29 Flooring Technologies Ltd Sposób wytwarzania płyty z warstwą dekoracyjną
EP2905376B1 (de) * 2014-02-06 2018-09-19 Agfa Nv Herstellung von dekorativen Laminaten mittels Tintendruck
EA201992222A1 (ru) * 2017-09-28 2020-02-10 Юнилин, Бвба Плита и способ изготовления плиты

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Publication number Publication date
US20200157812A1 (en) 2020-05-21
CN110418709A (zh) 2019-11-05
CL2019002644A1 (es) 2020-01-17
UA125994C2 (uk) 2022-07-27
JP2020514134A (ja) 2020-05-21
KR20190132384A (ko) 2019-11-27
MX2019011082A (es) 2019-11-05
MA49007A (fr) 2021-04-14
CA3051808A1 (en) 2018-09-27
BR112019016630A2 (pt) 2020-04-14
AU2018238420A1 (en) 2019-08-22

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